Transaction not yet indexed

NmJzJpNQAWuUprebzhwV4jcp3gYx455iUCA6rtCKux4Ad6xLDvGcNejXC6AMgvAZ5Yfvf9SgF2c1qAtxYH1qJJJ

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.